//public static Pointing Create(Pointing ptg)
//{
// Pointing temp = new Pointing();
// temp.theta = ptg.theta;
// temp.phi = ptg.phi;
// return temp;
//}
/** Simple constructor initializing both values.
* @param theta in radians [0,Pi]
* @param phi in radians [0,2*Pi] */
public static Pointing Create(double theta, double phi)
{
Pointing temp = new Pointing();
temp.theta = theta;
temp.phi = phi;
return(temp);
}
public Pointing toPointing()
{
double st;
if (have_sth)
{
st = sth;
}
else
{
st = Math.Sqrt((1.0 - z) * (1.0 + z));
}
return(Pointing.Create(FastMath.atan2(st, z), phi));
}